74146186854 has 12 divisors (see below), whose sum is σ = 160650071556. Its totient is φ = 24715395612.

The previous prime is 74146186843. The next prime is 74146186859. The reversal of 74146186854 is 45868164147.

74146186854 is a `hidden beast` number, since 7 + 4 + 14 + 618 + 6 + 8 + 5 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74146186854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74146186859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2059616284 + ... + 2059616319.

It is an arithmetic number, because the mean of its divisors is an integer number (13387505963).

Almost surely, 2^74146186854 is an apocalyptic number.

74146186854 is an abundant number, since it is smaller than the sum of its proper divisors (86503884702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74146186854 is a wasteful number, since it uses less digits than its factorization.

74146186854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119232611 (or 4119232608 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 74146186854 in words is "seventy-four billion, one hundred forty-six million, one hundred eighty-six thousand, eight hundred fifty-four".